How do I know if I preordered call of duty ghosts?

I asked my mom to pre order cod ghosts for me and I watched her go in the store and do it.but she also bought me assasins creed 4 and thats all that s

I asked my mom to pre order cod ghosts for me and I watched her go in the store and do it.but she also bought me assasins creed 4 and that's all that showed up on the recept .how do I know if she preordered it?

or:I asked my mom to pre order cod ghosts for me and I watched her go in the store and do it.but she also bought me assasins creed 4 and that's all that showed up on the recept .how do I know if she preordered it?

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